Respiration facepiece



FIG. 1 is a front view of a respiration facepiece according to our new design,

FIG. 2 is a back view thereof,

FIG. 3 is a left side elevational view thereof,

FIG. 4 is a right side elevational view thereof,

FIG. 5 is a top plan view thereof,

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front perspective view thereof.

The equal-length broken lines in the drawings depict portions of the respiration facepiece that form no part of the claimed design. 

CLAIM The ornamental design for a respiration facepiece, as shown and described. 